package regex.a01demo1;

public class Test3 {
    public static void main(String[] args) {
        System.out.println("\"");
        System.out.println("你a".matches(".."));
        System.out.println("-----------------");
        System.out.println("3".matches("\\d"));

        System.out.println("1234567".matches("\\w{6,}"));
    }
}
